MIG · Multi-Instance GPU
An NVIDIA feature that partitions one GPU into up to seven instances with dedicated compute, memory and memory paths. It is a sharing mechanism, not by itself a confidentiality boundary (Chapter 10.3).
Current numbers
7Maximum MIG instances per supported NVIDIA GPU. MIG is the only NVIDIA fractional partition enforced in hardware
B200: up to 7 MIG instancesNVIDIA B200 MIG profiles; GB200 geometry requires its own SKU/driver table
B200: 180 GB; GB200: 186 GB usableUsable HBM per GPU: B200 and GB200 differ; of the two, only B200 has a published MIG table